/* BDVB-App
Copyright (C) 2014 Sascha Manns <Sascha.Manns@outlook.de>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/


using System;
using System.Diagnostics;

using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Media.Imaging;

namespace AppStudio.Controls
{
    public class VisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, string language)
        {
            Visibility visibility = Visibility.Visible;
            try
            {
                if (value == null)
                {
                    visibility = Visibility.Collapsed;
                }

                bool InvertResult;
                bool.TryParse(parameter.ToString(), out InvertResult);
                if (InvertResult == true)
                {
                    if (visibility == Visibility.Visible)
                    {
                        visibility = Visibility.Collapsed;
                    }
                    else
                    {
                        visibility = Visibility.Visible;
                    }
                }
            }
            catch (Exception ex)
            {
                AppLogs.WriteError("Visibility.Convert", ex);
            }
            return visibility;
        }

        public object ConvertBack(object value, Type targetType, object parameter, string language)
        {
            throw new NotImplementedException();
        }
    }
}
